On 25 April your 0930 zone time position is LAT 28°35'S, LONG 82°30'W. Your vessel is on course 300°T at a speed of 20.0 knots. Determine the zone time of LAN.

Correct Answer: Option B — 1131

The time of Local Apparent Noon is determined by applying the equation of time and the longitude time correction (4 minutes of time per degree of longitude) to Greenwich Mean Time. For this DR position and date, LAN occurs at zone time 1131.